1. Won Bin Autumn in My Heart's Won Bin has been an official UNICEF Goodwill Ambassador since 2007. His recent work has included raising funds for vaccination efforts and disease treatment. 2-4. Song Joong Ki, Park Yoo Chun, and Lee Jong Suk All three of these in-demand actors have been involved with the Good-Hearted Library Project, where they use their voice talents to create audiobooks for the visually impaired. If I actually spoke Korean, I would listen to those audiobooks all day long! 5. Yoon Eun Hye Yoon Eun Hye has done quite a bit of charity work with children. She recently participated in the Road for Hope documentary series, working with children in Madagascar. 6. Jang Dong Gun In 2008, the Gentleman's Dignity star was appointed an Ambassador Against Hunger for Korea by the World Food Programme. Since that time, he has donated both money and time to the fight against world hunger, heading to typhoon-stricken areas of Laos in 2010. 7. Ha Ji Won Ha Ji Won has been involved in various charitable projects since the beginning of her career, including the Smile Again Project, which helped benefit low-income families and those with disabilities.